Abstract: Glass-based articles are frangible, comprising a peak central tension (CT) in a tensile region that is greater than: (E/68 GPa)*75 MPa*1 mm0.5/?(t), where E is the Young's modulus value of the glass-based substrate utilized to form the glass-based article. The stress profiles of the glass-based articles may comprise: a maximum compressive stress (CSmax) greater than or equal to 150 MPa; a depth of compression (DOC) that is greater than or equal to 0.21t; a peak central tension (CT) in a tensile region that is greater than or equal to 100 MPa to less than or equal to 220 MPa; and/or a negative curvature region, wherein a second derivative of stress as a function of depth is negative.

Abstract: The disclosure provides high viscosity, organic resin systems incorporating inorganic materials. The resin systems incorporate glasses, glass ceramics, or ceramics in high load levels and are particularly useful for development of three dimensional articles and in additive manufacturing processes. Processes for making the resin systems are also provided.

Abstract: A polymer blend, including at least one organic semiconductor (OSC) polymer and at least one photosensitizer, such that the at least one OSC polymer is a diketopyrrolopyrrole-fused thiophene polymeric material, wherein the fused thiophene is beta-substituted.

Abstract: A glass substrate comprises a glass clad layer fused to a glass core layer. The glass core layer comprises a core glass composition having an average core coefficient of thermal expansion (CTEcore) and the glass clad layer comprises a clad glass composition having an average clad coefficient of thermal expansion (CTEclad) that is less than the CTEcore. A maximum tensile stress in the glass core layer is less than 15 MPa.

Abstract: A microcavity dish (10) for cultivating cells includes a dish body including a sidewall (16) that encloses a cell culture chamber within the dish body. The dish body has a top and a bottom (12). The bottom includes a cell culturing substrate comprising an array of microcavities (46). The sidewall includes a transition portion (30) that divides the sidewall into an upper portion and a lower portion that is offset inward relative to the upper portion defining a liquid medium delivery surface (26) that extends at least partially along an interior surface (28) of the sidewall and slopes toward the bottom.

Abstract: A method for making a glass ribbon that includes: flowing a glass into a caster having a width (Wcast) from about 100 mm to about 5 m and a thickness (t) from about 1 mm to about 500 mm to form an a cast glass; cooling the cast glass in the caster to a viscosity of at least 108 Poise; conveying the cast glass from the caster; drawing the cast glass, the drawing comprising heating the cast glass to an average viscosity of less than 107 Poise and drawing the cast glass into a glass ribbon having a width (Wribbon) that is less than Wcast; and thereafter cooling the glass ribbon to ambient temperature. Further, the cast glass during the cooling, conveying and drawing steps is about 50° C. or higher.

Abstract: In embodiments, a glass composition may include: greater than or equal to 71 mol. % and less than or equal to 83 mol. % SiO2; greater than or equal to 1 mol. % and less than or equal to 11 mol. % Al2O3; greater than or equal to 5 mol. % and less than or equal to 18 mol. % alkali oxide, the alkali oxide comprising greater than 3 mol. % Li2O and at least one of Na2O and K2O; greater than or equal to 1 mol. % and less than or equal to 8 mol. % alkaline earth oxide, the alkaline earth oxide comprising MgO and at least one of CaO, BaO, and SrO; and at least one of TiO2, ZrO2, HfO2, La2O3 and Y2O3, wherein TiO2+ZrO2+HfO2+La2O3+Y2O3 is greater than 0 mol. % and less than or equal to 6 mol. % and Al2O3+TiO2+ZrO2+HfO2+La2O3+Y2O3 is greater than or equal to 2 mol. % and less than or equal to 12 mol. %.

Abstract: A liquid lens includes an orientation sensor such as a gyroscope to compensate for the effects of motion. A raw gyroscope signal, including noise components, can be provided to the controller without processing by phase-shifting filters. One or more filters can be applied to the raw gyroscope signal to allow a band of frequencies to pass without introducing phase delay. The controller can use a feed forward system to generate control output signals based at least in part on the raw gyroscope signal, including noise components. The control output signals can be used to drive voltage signals to electrodes to compensate for motion.

Abstract: An apparatus for testing the edge strength of a discrete sheet of material such as glass where the sheet has an irregular free-form shaped outline is disclosed. The apparatus can include a plurality of assemblies configured for selectively applying a 3-point bending load on an edge of the sheet of material in a test region of the apparatus, a detection mechanism that optically measures strain in the sheet of material in the region, and a processor that determines the stress in the sheet based on the measured strain by calculating the stress that would be required to produce the measured strain in the sheet of material.

Abstract: Embodiments of the disclosure relates to a light-diffusing element. The light diffusing element includes a glass core having a first refractive index. The light diffusing element also includes a cladding surrounding the glass core. The cladding includes an inner cladding surface and an outer cladding surface. The inner cladding surface and the outer cladding surface define a cladding thickness of from 5 ?m to 30 ?m. The cladding has a second refractive index that is less than the first refractive index of the glass core. The light diffusing element also includes a coating surrounding the cladding. The coating has an inner coating surface and an outer coating surface. The inner coating surface contacts the outer cladding surface. The outer coating surface defines an outermost surface of the light-diffusing element, and the coating includes first scattering centers.

Abstract: A multilayered cell culture apparatus for the culturing of cells is disclosed. The cell culture apparatus is defined as an integral structure having a plurality of cell culture chambers in combination with tracheal space(s). The body of the apparatus has imparted therein gas permeable membranes in combination with tracheal spaces that will allow the free flow of gases between the cell culture chambers and the external environment. The flask body also includes an aperture that will allow access to the cell growth chambers by means of a needle or cannula. The size of the apparatus, and location of an optional neck and cap section, allows for its manipulation by standard automated assay equipment, further making the apparatus ideal for high throughput applications.

Abstract: A method of modifying a glass substrate comprises: generating surface features with peaks and valleys on a first surface of a glass substrate, the surface features providing a roughness average (Ra) within the range of 10 nm to 2000 nm; generating a region of the glass substrate that is under compressive stress, the region extending from the first surface to a depth of compression; and removing a portion of the region under compressive stress from the first surface into the depth of compression to define a new first surface still having surface features with peaks and valleys providing a roughness average (Ra) within the range of 10 nm to 2000 nm. Removing the portion of the region under compressive stress from the first surface into the depth of the compression to define a new first surface can comprise contacting the first surface with a light etchant.

Abstract: An article that includes: an inorganic oxide substrate having opposing major surfaces; and an optical film structure disposed on a first major surface of the substrate, the optical film structure comprising one or more of a silicon-containing oxide, a silicon-containing nitride and a silicon-containing oxynitride and a physical thickness from about 50 nm to less than 500 nm. The article exhibits a hardness of 8 GPa or greater measured at an indentation depth of about 100 nm or a maximum hardness of 9 GPa or greater measured over an indentation depth range from about 100 nm to about 500 nm, the hardness and the maximum hardness measured by a Berkovich Indenter Hardness Test. Further, the article exhibits a single-side photopic average reflectance that is less than 1%.

Abstract: An edge-press molding element is part of a glass-bending tooling that includes a contoured-ring, gasket form factor. The edge-press molding element operates by self-weight bending a glass pane under a thermal load. The glass pane bends under molding conditions where a temperature differential of as low as 30° C. up to 100° C. is achieved between an edge of the glass pane and the center.

Abstract: A glass composition comprises: 50.0 mol % to 70.0 mol % SiO2; 10.0 mol % to 25.0 mol % Al2O3; 0.0 mol % to 5.0 mol % P2O3; 0.0 mol % to 10.0 mol % B2O3; 5.0 mol % to 15.0 mol % Li2O; 1.0 mol % to 15.0 mol % Na2O; and 0.0 mol % to 1.0 mol % K2O. The sum of all alkali oxides, R2O, present in the glass composition may be in the range from greater than or equal to 11.0 mol % to less than or equal to 23.0 mol %. The sum of Al2O3 and R2O present in the glass composition may be in the range from greater than or equal to 26.0 mol % to less than or equal to 40.0 mol %. The glass composition may satisfy the relationship ?0.1?(Al2O3—(R2O+RO))/Li2O?0.3.

Abstract: A method for laser preparation of a coated substrate to be laser cut is provided. The method includes substantially removing a target portion of a polymer coating from a coated substrate by directing an ablative laser beam to the target portion, wherein the target portion of the polymer coating has a width of between about 10 ?m and about 6.0 mm.

Abstract: An article is described herein that includes: a substrate having a glass, glass-ceramic or a ceramic composition and comprising a primary surface; and a protective film disposed on the primary surface. The protective film comprises a thickness of greater than 1.5 microns and a maximum hardness of greater than 15 GPa at a depth of 500 nanometers, as measured on the film disposed on the substrate. Further, the protective film comprises a metal oxynitride that is graded such that an oxygen concentration in the film varies by 1.3 or more atomic %. In addition, the substrate comprises an elastic modulus less than an elastic modulus of the film.

Abstract: An article includes a carrier including a carrier bonding surface, a sheet including a sheet bonding surface, and a surface modification layer disposed on at least one of the carrier bonding surface and the sheet bonding surface. The surface modification layer includes a plasma polymerized material. The plasma polymerized material planarizes the at least one of the carrier bonding surface and the sheet bonding surface. The carrier bonding surface and the sheet bonding surface are bonded with the surface modification layer so that the carrier is temporarily bonded with the sheet. A method of making an article includes depositing a surface modification layer on at least one of a carrier bonding surface and a sheet bonding surface. The method further includes bonding the carrier bonding surface and the sheet bonding surface with the surface modification layer to temporarily bond the carrier with the sheet.

Abstract: An apparatus for testing a sheet of brittle material is disclosed. The apparatus can include a plurality of assemblies configured for selectively applying a 3-point bending load on an edge of the sheet of material in a test region of the apparatus, a detection mechanism that optically measures strain in the sheet of material in the region, and a processor that determines the stress in the sheet based on the measured strain by calculating the stress that would be required to produce the measured strain in the sheet of material.

Abstract: A composition includes: 30 mol % to 60 mol % SiO2; 15 mol % to 35 mol % Al2O3; 5 mol % to 25 mol % Y2O3; 0 mol % to 20 mol % TiO2; and 0 mol % to 25 mol % R2O, such that R2O is the sum of Na2O, K2O, Li2O, Rb2O, and Cs2O.